789-621 WAGO | Alldatasheet
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Data sheet | Item number: 789-621 Current signal conditioner; Current input signal: 140 ADC; Modbus RTU; Supply voltage: 24 VDC; Module width: 35 mm www.wago.com/789-621 Subject to changes. Please also observe the further product documentation! WAGO Kontakttechnik GmbH & Co. KG Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com Do you have any questions about our products? We are always happy to take your call at +49 (571) 887-44222.
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Short description: This intelligent current sensor monitors solar plants or inverters for DC measurements within a large current measurement range. The sensor is mounted on DIN-35 rail.
Data sheet | Item number: 789-621 www.wago.com/789-621 Subject to changes. Please also observe the further product documentation! WAGO Kontakttechnik GmbH & Co. KG Hansastr. 27 Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com Do you have any questions about our products? We are always happy to take your call at +49 (571) 887-44222.
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Input signal (current) DC 0 … 140 A Resolution [bit] 15 bits Output – MODBUS Number of devices (max.) 32 Pluggable connectors RJ-45 Bus length (max.) 1200 m Terminating resistor 150 Ω (can be activated via DIP switch 1) Communication Communication Modbus® RTU Modbus® RTU Interface RS-485 Transmission channels Half duplex; 8-bit data; 1 stop bit Number of devices (max.) 32 Bus length (max.) ≤ 1200 m Baud rate 19.2 kBd Parity Even Terminating resistor 150 Ω (can be activated via DIP switch 1) Measurement error Transmission error (typ.) ≤ 0.5 % of upper-range value (0 … 80 A; at room temperature); ≤ 1 % of upper-range value (80 … 140 A; at room temperature) Temperature coefficient ≤ 0.05 %/K (-20 … 60 °C); ≤ 0.1 %/K (60 … 70 °C) Supply Nominal supply voltage US DC 24 V Supply voltage range 12 … 34 VDC Power consumption at nominal supply voltage ≤ 8 mA Safety and protection
Data sheet | Item number: 789-621 www.wago.com/789-621 Subject to changes. Please also observe the further product documentation! WAGO Kontakttechnik GmbH & Co. KG Hansastr. 27 Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com Do you have any questions about our products? We are always happy to take your call at +49 (571) 887-44222.
06.10.2021 Page /3 5
Feedthrough for measurement conductor 15 mm Ø Pluggable connectors RJ-45 Physical data Width 35 mm / 1.378 inch Height 90 mm / 3.543 inch Depth from upper edge of DIN-rail 55 mm / 2.165 inch Mechanical data Mounting type DIN-35 rail Material data Fire load 0.278 MJ Weight 77.2 g Environmental requirements Surrounding air temperature (operation) -20 … 70 °C Surrounding air temperature (storage) -40 … 85 °C Standards and specifications Conformity marking CE EMC immunity to interference EN 61000-6-2 EMC emission of interference EN 61000-6-4 Standards/Specifications DIN EN 50178 Commercial data Product Group 6 (Interface Electronics) PU (SPU) 1 Stück Packaging type box Country of origin DE GTIN 4050821204565 Customs tariff number 85437090300
Data sheet | Item number: 789-621 www.wago.com/789-621 Subject to changes. Please also observe the further product documentation! WAGO Kontakttechnik GmbH & Co. KG Hansastr. 27 Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com Do you have any questions about our products? We are always happy to take your call at +49 (571) 887-44222.
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Customs tariff number 85437090300 Optional accessories Interface module Interface module Item no.: 289-965 Interface module; 2xRJ-45; PCB terminal blocks, double-row; in mounting carrier www.wago.com/289-965 Item no.: 289-966 Interface module; 2xRJ-45; PCB terminal blocks, double-row; in mounting carrier; with shield connection www.wago.com/289-966 Cables and pluggable connectors Connector plug Item no.: 750-975 ETHERNET RJ-45 connector, IP20; ETHERNET 10/100 Mbit/s; for field assembly www.wago.com/750-975 Downloads Documentation Bid Text 789-621 X81 - Datei 2019. 7. 18. xml 5.1 kB Download 789-621 docx - Datei 2019. 7. 18. docx 16.4 kB Download Additional Information Disposal; Electrical and electronic equipment, Packaging V 1.0.0 pdf 265.8 kB Download CAD/CAE-Data CAE data EPLAN Data Portal 789-621 URL Download WSCAD Universe 789-621 URL Download ZUKEN Portal 789-621 URL Download
Data sheet | Item number: 789-621 www.wago.com/789-621 Subject to changes. Please also observe the further product documentation! WAGO Kontakttechnik GmbH & Co. KG Hansastr. 27 Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com Do you have any questions about our products? We are always happy to take your call at +49 (571) 887-44222.
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ZUKEN Portal 789-621 URL Download CAD data 2D/3D Models 789-621 URL Download Environmental Product Compliance Compliance Search Environmental Product Compliance 789-621 Current signal conditioner; Current input signal: 140 ADC; Modbus RTU; Supply voltage: 24 VDC; Module width: 35 mm URL Download Installation Notes